underground vault, secure facility, steel door, concrete walls, rows of shelves, dim lighting, cold atmosphere, metal containers, archival boxes, labeled crates, moisture control, temperature regulated, high-security locks, surveillance cameras, restricted access, subterranean, data backup servers, preservation environment, organized system, emergency lighting, backup generator, fire suppression system, seismic protection, long-term storage, dust-free, climate-controlled, full-frame shot, artificial light, high angle view.